Finding the Fourth Proportional to 4,435,616.20, 6,640,982.70 and 4,311,200.20
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Solution
The fourth proportional to 4,435,616.20, 6,640,982.70 and 4,311,200.20 is: 6,454,707.68
Step by Step Solution
- Step 1: Write the proportion equation
4,435,616.20 : 6,640,982.70 = 4,311,200.20 : x - Step 2: Convert to fraction form
4,435,616.20/6,640,982.70 = 4,311,200.20/x - Step 3: Cross multiply
4,435,616.20x = 6,640,982.70 × 4,311,200.20 - Step 4: Simplify right side
4,435,616.20x = 28,630,605,944,436.54 - Step 5: Solve for x
x = 28,630,605,944,436.54/4,435,616.20 - Step 6: Final answer
x = 6,454,707.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.